<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>数据统计</el-breadcrumb-item>
			<el-breadcrumb-item>数据报表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片式图 -->
		<el-card class="box-card">
			<div id="main" style="width: 450px;height:400px;"></div>
		</el-card>
	</div>
</template>

<script>
	// 导入echarts
	import * as echarts from 'echarts'
	import _ from 'lodash'
	export default {
		data() {
			return {
				options: {
					title: {
						text: '堆叠区域图'
					},
					tooltip: {
						trigger: 'axis',
						axisPointer: {
							type: 'cross',
							label: {
								backgroundColor: '#6a7985'
							}
						}
					},
					legend: {
						data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
					},
					toolbox: {
						feature: {
							saveAsImage: {}
						}
					},
					grid: {
						left: '3%',
						right: '4%',
						bottom: '3%',
						containLabel: true
					},
					xAxis: [{
						type: 'category',
						boundaryGap: false,
						data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
					}],
					yAxis: [{
						type: 'value'
					}],
					series: [{
							name: '邮件营销',
							type: 'line',
							stack: '总量',
							areaStyle: {},
							emphasis: {
								focus: 'series'
							},
							data: [120, 132, 101, 134, 90, 230, 210]
						},
						{
							name: '联盟广告',
							type: 'line',
							stack: '总量',
							areaStyle: {},
							emphasis: {
								focus: 'series'
							},
							data: [220, 182, 191, 234, 290, 330, 310]
						},
						{
							name: '视频广告',
							type: 'line',
							stack: '总量',
							areaStyle: {},
							emphasis: {
								focus: 'series'
							},
							data: [150, 232, 201, 154, 190, 330, 410]
						},
						{
							name: '直接访问',
							type: 'line',
							stack: '总量',
							areaStyle: {},
							emphasis: {
								focus: 'series'
							},
							data: [320, 332, 301, 334, 390, 330, 320]
						},
						{
							name: '搜索引擎',
							type: 'line',
							stack: '总量',
							label: {
								show: true,
								position: 'top'
							},
							areaStyle: {},
							emphasis: {
								focus: 'series'
							},
							data: [820, 932, 901, 934, 1290, 1330, 1320]
						}
					]
				}

			}
		},
		// 此时页面上的元素已经被渲染完毕了
		async mounted() {
			const {
				data: res
			} = await this.$http.get('reports/type/1')
			if (res.meta.status != 200) {
				return this.$message.error('获取折线图数据失败！')
			}
			// 基于准备好的dom，初始化echarts实例
			var myChart = echarts.init(document.getElementById('main'))
			// 指定图表的配置项和数据
			// 数据合并
			const result = _.merge(res.data, this.options)
			myChart.setOption(result)
		}


	}
</script>

<style lang="less" scoped="scoped">
</style>
